Measuring The D. O. Concentration - wtw Oxi 315i Operating Manual

Oxi 315i
Switching on/off salt
content correction

4.2.1 Measuring the D. O. concentration

Note
A fixed salt content correction value of 30.0 is provided. How to switch
it on or off is described below.
You can measure the oxygen content without a salt content correction
as follows:
1 Perform the preparatory activities according to section 4.2.
2 Press the <M> key repeatedly until the D. O. concentration in
mg/l appears on the display.
TDS UpH O
1 7 9 2
S
8 1 7
Baud
Time
Day.Month No.
Year Ident
Tref25 Tref20 AutoCal DIN
LoBat nLF Lin Cal AutoCal TEC
Proceed as follows to switch on the salt content correction:
1 Perform the preparatory activities according to section 4.2
2 Switch on the salt content correction with <M> while pressing
the <RUN/ENTER> key. The SAL display indicator appears on
the display. The fixed value of 30.0 is taken into account in the
measurement.
TDS UpH O
5 4 2
1
S
8 1 7
Time Baud
Day.Month No.
Year Ident
Tref25 Tref20
AutoCal DIN
LoBat
nLF Lin Cal AutoCal TEC
3 Switch off the salt content correction with <M> while pressing
the <RUN/ENTER> key. The SAL display indicator is no longer
displayed.
Sal
mV/pH
% mg/l
S/
m
cm
mbar M cm
1/ cm Sal
6
°
C
/
%
K
TP
° F
Auto Store
ARng
AR RCL
Sal
mV/pH
%
mg/l
m S/
cm
mbar M cm
1/ cm Sal
6
°
C
/
% K
TP
° F
Auto Store
ARng AR
RCL
Operation
15